I2C Device Driver Skeleton

Change-Id: I0b092ea67e5bb8789378041c8c3a6a3f5cf3025e
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/242
Reviewed-by: Terry J. Opie <opiet@us.ibm.com>
Tested-by: Jenkins Server

3 files changed, 23 insertions, 0 deletions

diff --git a/src/include/usr/targeting/attributeenums.H b/src/include/usr/targeting/attributeenums.H
index 643d6d230..c4cd5c28a 100644
--- a/src/include/usr/targeting/attributeenums.H
+++ b/src/include/usr/targeting/attributeenums.H
@@ -46,6 +46,7 @@ enum ATTRIBUTE_ID
     ATTR_XSCOM_CHIP_INFO        = 0x0A,
     ATTR_INBAND_SCOM_CHIP_INFO  = 0x0B,
     ATTR_FSI_SCOM_CHIP_INFO     = 0x0C,
+    ATTR_I2C_CHIP_INFO          = 0x0D,
 
     ATTR_DUMMY_WO               = 0xFD,
     ATTR_DUMMY_RO               = 0xFE,
diff --git a/src/include/usr/targeting/attributestructs.H b/src/include/usr/targeting/attributestructs.H
index e24d5dc71..88e35add9 100644
--- a/src/include/usr/targeting/attributestructs.H
+++ b/src/include/usr/targeting/attributestructs.H
@@ -81,6 +81,20 @@ struct XscomChipInfo
 
 } PACKED;
 
+/**
+ * @brief Structure which defines chip info necessary for I2C operations
+ *
+ * Structure which defines info necessary for I2C.  Only applicable for
+ * chip targets which support I2C.  Structure is read-only.
+ */
+struct I2cChipInfo
+{
+    uint32_t busSpeed;          // Slave Device bus speed
+    uint16_t deviceAddr;        // Slave Device address
+    uint8_t devicePort;         // Slave Device Port location
+    uint8_t deviceMasterEng;    // Master I2C engine slave is hung off of
+} PACKED;
+
 } // End namespace TARGETING
 
 #endif // TARG_ATTRIBUTESTRUCTS_H
diff --git a/src/include/usr/targeting/attributetraits.H b/src/include/usr/targeting/attributetraits.H
index b9931563a..75a4d14e5 100644
--- a/src/include/usr/targeting/attributetraits.H
+++ b/src/include/usr/targeting/attributetraits.H
@@ -155,6 +155,14 @@ class AttributeTraits<ATTR_XSCOM_CHIP_INFO>
         typedef XscomChipInfo Type;
 };
 
+template<>
+class AttributeTraits<ATTR_I2C_CHIP_INFO>
+{
+    public:
+        enum { readable };
+        typedef I2cChipInfo Type;
+};
+
 } // End namespace TARGETING
 
 #endif // TARG_ATTRIBUTETRAITS_H